Stocks
TSHA Taysha Gene Therapies, Inc.

TSHA

Taysha Gene Therapies, Inc.

Company with tickers: TSHA

CIK

1806310

CUSIP

877619106

Shares Outstanding

287,269,885

Price Holdings Short Volume Short Interest Fails to Deliver SEC Filings Earnings Calls Insider Trading Congress Trades

Date	Insider	Role	Type	Shares	Price	Value	After
2026-02-04	Alam Kamran	CHIEF FINANCIAL OFFICER	Sell	1,655	$4.52	$7,481	1,442,131
2026-01-26	Nagendran Sukumar	Director, President and Head of R&D	Sell	26,918	$4.61	$124,092	1,317,389
2026-01-26	Nolan Sean P.	Director, Chief Executive Officer	Sell	41,312	$4.61	$190,448	2,908,257
2026-01-26	Alam Kamran	CHIEF FINANCIAL OFFICER	Sell	23,849	$4.61	$109,944	1,443,786
2026-01-23	Nagendran Sukumar	Director, President and Head of R&D	Sell	89,132	$4.75	$423,377	1,344,307
2026-01-23	Nolan Sean P.	Director, Chief Executive Officer	Sell	136,789	$4.75	$649,748	2,949,569
2026-01-23	Nolan Sean P.	Director, Chief Executive Officer	Other	1,535,545	—	—	1,535,545
2026-01-23	Alam Kamran	CHIEF FINANCIAL OFFICER	Sell	78,968	$4.75	$375,098	1,467,635
2026-01-12	Nolan Sean P.	Director, Chief Executive Officer	Award	1,008,000	—	—	3,086,358
2026-01-12	Nolan Sean P.	Director, Chief Executive Officer	Award	648,000	—	—	648,000
2026-01-12	Nolan Sean P.	Director, Chief Executive Officer	Other	1,535,545	—	—	1,535,545
2026-01-12	Nagendran Sukumar	Director, President and Head of R&D	Award	427,000	—	—	1,433,439
2026-01-12	Nagendran Sukumar	Director, President and Head of R&D	Convert	111,324	—	—	111,359
2026-01-12	Nagendran Sukumar	Director, President and Head of R&D	Sell	200,000	$4.71	$942,000	1,006,439
2026-01-12	Nagendran Sukumar	Director, President and Head of R&D	Convert	111,324	$0.70	$77,804	1,117,763
2026-01-12	Nagendran Sukumar	Director, President and Head of R&D	Award	274,000	—	—	274,000
2026-01-12	Alam Kamran	CHIEF FINANCIAL OFFICER	Award	231,000	—	—	231,000
2026-01-12	Alam Kamran	CHIEF FINANCIAL OFFICER	Award	359,000	—	—	1,546,603
2025-12-01	Nagendran Sukumar	Director, President and Head of R&D	Sell	260,047	$4.51	$1,172,812	1,006,439
2025-12-01	Nagendran Sukumar	Director, President and Head of R&D	Convert	260,047	$1.71	$444,680	1,266,486
2025-12-01	Nagendran Sukumar	Director, President and Head of R&D	Convert	260,047	—	—	563,617
2025-11-28	Nagendran Sukumar	Director, President and Head of R&D	Convert	70,172	$0.70	$49,043	1,076,611
2025-11-28	Nagendran Sukumar	Director, President and Head of R&D	Convert	70,172	—	—	222,683
2025-11-28	Nagendran Sukumar	Director, President and Head of R&D	Sell	110,125	$4.75	$523,094	1,006,439
2025-09-10	Nagendran Sukumar	Director, President and Head of R&D	Sell	200,000	$3.23	$646,000	1,006,439
2025-09-10	Nagendran Sukumar	Director, President and Head of R&D	Convert	41,150	$0.70	$28,760	1,206,439
2025-09-10	Nagendran Sukumar	Director, President and Head of R&D	Convert	41,150	—	—	292,855
2025-08-21	Nagendran Sukumar	Director, President and Head of R&D	Sell	57,054	$2.85	$162,604	1,165,289
2025-08-21	Alam Kamran	CHIEF FINANCIAL OFFICER	Sell	54,491	$2.85	$155,299	1,187,603
2025-06-02	Donenberg Phillip B.	Director	Award	56,623	—	—	219,954
2025-06-02	Donenberg Phillip B.	Director	Award	113,246	—	—	113,246
2025-06-02	Sepp-Lorenzino Laura	Director	Award	56,623	—	—	105,843
2025-06-02	Sepp-Lorenzino Laura	Director	Award	113,246	—	—	113,246
2025-06-02	Long Alison S	Director	Award	56,623	—	—	105,843
2025-06-02	Long Alison S	Director	Award	113,246	—	—	113,246
2025-06-02	Stalfort John A III	Director	Other	884,290	—	—	884,290
2025-06-02	Stalfort John A III	Director	Award	56,623	—	—	1,155,224
2025-06-02	Stalfort John A III	Director	Award	113,246	—	—	113,246
2025-05-30	Manning Paul B	10% Owner	Buy	750,000	$2.75	$2,062,500	2,841,704
2025-05-30	Manning Paul B	10% Owner	Other	14,723,948	—	—	14,723,948
2025-03-11	Alam Kamran	CHIEF FINANCIAL OFFICER	Tax	29,843	$1.69	$50,435	1,242,094
2025-01-02	Nolan Sean P.	Director, Chief Executive Officer	Award	892,500	—	—	892,500
2025-01-02	Nolan Sean P.	Director, Chief Executive Officer	Other	1,535,545	—	—	1,535,545
2025-01-02	Nolan Sean P.	Director, Chief Executive Officer	Award	892,500	—	—	2,078,358
2025-01-02	Nagendran Sukumar	Director, President and Head of R&D	Award	324,500	—	—	1,222,343
2025-01-02	Nagendran Sukumar	Director, President and Head of R&D	Award	324,500	—	—	324,500
2025-01-02	Alam Kamran	CHIEF FINANCIAL OFFICER	Award	431,000	—	—	1,271,937
2025-01-02	Alam Kamran	CHIEF FINANCIAL OFFICER	Award	431,000	—	—	431,000
2024-06-27	Manning Paul B	10% Owner	Buy	1,333,333	$2.25	$2,999,999	1,333,333
2024-06-27	Manning Paul B	10% Owner	Other	16,566,667	—	—	16,566,667
2024-05-29	Sepp-Lorenzino Laura	Director	Award	98,440	—	—	98,440
2024-05-29	Sepp-Lorenzino Laura	Director	Award	49,220	—	—	49,220
2024-05-29	Stalfort John A III	Director	Other	884,290	—	—	884,290
2024-05-29	Stalfort John A III	Director	Award	49,220	—	—	1,098,601
2024-05-29	Stalfort John A III	Director	Award	98,440	—	—	98,440
2024-05-29	Long Alison S	Director	Award	98,440	—	—	98,440
2024-05-29	Long Alison S	Director	Award	49,220	—	—	49,220
2024-05-29	Donenberg Phillip B.	Director	Award	98,440	—	—	98,440
2024-05-29	Donenberg Phillip B.	Director	Award	49,220	—	—	163,331
2024-02-02	Alam Kamran	CHIEF FINANCIAL OFFICER	Tax	1,288	$1.51	$1,945	840,937
2024-01-02	Alam Kamran	CHIEF FINANCIAL OFFICER	Award	590,413	—	—	842,225
2024-01-02	Alam Kamran	CHIEF FINANCIAL OFFICER	Award	590,413	—	—	590,413
2024-01-02	Nagendran Sukumar	Director, President and Head of R&D	Award	863,617	—	—	897,843
2024-01-02	Nolan Sean P.	Director, Chief Executive Officer	Other	1,535,545	—	—	1,535,545
2024-01-02	Nolan Sean P.	Director, Chief Executive Officer	Award	1,184,688	—	—	1,185,858
2024-01-02	Nolan Sean P.	Director, Chief Executive Officer	Award	1,184,688	—	—	1,184,688
2024-01-02	Nagendran Sukumar	Director, President and Head of R&D	Award	863,617	—	—	863,617
2023-12-14	Alam Kamran	CHIEF FINANCIAL OFFICER	Award	187,582	—	—	187,582
2023-12-14	Nagendran Sukumar	Director, President and Head of R&D	Award	334,005	—	—	334,005
2023-12-14	Nolan Sean P.	Director, Chief Executive Officer	Award	466,550	—	—	466,550
2023-11-17	Manning Paul B	10% Owner	Buy	100,000	$1.63	$163,000	16,566,667
2023-11-17	Manning Paul B	10% Owner	Other	22,000	—	—	22,000
2023-11-01	Long Alison S	Director	Award	43,800	—	—	43,800
2023-11-01	Long Alison S	Director	Other	0	—	—	0
2023-08-24	Alam Kamran	CHIEF FINANCIAL OFFICER	Sell	33,000	$2.33	$76,890	258,042
2023-08-16	Stalfort John A III	Director	Buy	388,889	$0.90	$350,000	884,290
2023-08-16	Stalfort John A III	Director	Gift	50,000	—	—	1,049,381
2023-08-16	Donenberg Phillip B.	Director	Buy	111,111	$0.90	$100,000	114,111
2023-08-16	Manning Paul B	10% Owner	Other	22,000	—	—	22,000
2023-08-16	Manning Paul B	10% Owner	Buy	16,466,667	$0.90	$14,820,000	16,466,667
2023-08-16	Nolan Sean P.	Director, Chief Executive Officer	Buy	444,444	$0.90	$400,000	1,535,545
2023-08-16	Nolan Sean P.	Director, Chief Executive Officer	Other	1,170	—	—	1,170
2023-07-13	Session R.A. II	10% Owner	Sell	5,344	$0.70	$3,741	8,871,747
2023-07-12	Session R.A. II	10% Owner	Sell	80,528	$0.71	$57,030	8,877,091
2023-07-12	Session R.A. II	10% Owner	Other	141,090	—	—	141,090
2023-06-23	Session R.A. II	10% Owner	Sell	18,100	$0.70	$12,735	8,957,619
2023-06-22	Stalfort John A III	Director	Award	43,800	—	—	43,800
2023-06-22	Reape Kathleen	Director	Award	36,200	—	—	36,200
2023-06-22	Donenberg Phillip B.	Director	Award	36,200	—	—	36,200
2023-06-22	Sepp-Lorenzino Laura	Director	Award	36,200	—	—	36,200
2023-06-22	Session R.A. II	10% Owner	Sell	10,508	$0.70	$7,384	8,975,719
2023-06-22	Session R.A. II	10% Owner	Other	141,090	—	—	141,090
2023-06-22	Stalfort John A III	Director	Other	610,492	—	—	610,492
2023-06-21	Session R.A. II	10% Owner	Sell	138,962	$0.70	$97,635	8,986,227
2023-06-20	Session R.A. II	10% Owner	Other	141,090	—	—	141,090
2023-06-20	Session R.A. II	10% Owner	Sell	295,653	$0.71	$210,209	9,125,189
2023-05-31	Alam Kamran	CHIEF FINANCIAL OFFICER	Award	6,230	—	—	291,042
2023-05-16	Nagendran Sukumar	Director, President and Head of R&D	Buy	5,000	$0.68	$3,400	34,226
2023-03-06	Session R.A. II	10% Owner	Other	199,500	—	—	0
2023-03-06	Session R.A. II	10% Owner	Other	251,296	—	—	9,420,842